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The refinery was making improvements to allow for increased capacity. Analyses showed high pressure drops in the hydrotreater reactor were caused by iron sulfide corrosion products deposited in the catalyst bed from crude unit overheads. Improvements focused on increasing the diameter of the crude unit overhead line to reduce velocities, improving corrosion control of overheads, upgrading the catalyst grading system, and increasing heater temperatures to allow for full vaporization.

Author

saleh4060

Language

EN